GNOME and Fedora are definitely further ahead, since the lead developer for Flatpak is a long-time GNOME contributor as well as a Red Hat employee. There are Fl

GNOME and Fedora are definitely further ahead, since the lead developer for Flatpak is a long-time GNOME contributor as well as a Red Hat employee. There are Flatpak contributors focusing on other things: at least two developers are working on KDE integration, and a Debian developer at Collabora maintains the Flatpak package that is currently in Debian testing for release in Debian 9.0.